#备份/目录下的关键配置文件
cp /etc/fstab ~/build/config/backup/
#cp /etc/environment ~/build/config/backup/
cp /etc/pacman.conf ~/build/config/backup/
cp /etc/pacman.d/archlinuxcn-mirrorlist ~/build/config/backup/
cp /etc/pacman.d/mirrorlist ~/build/config/backup/
#cp /etc/dnsmasq.conf ~/build/config/backup/
